For changes, first select the menu item with key
„>“ and then confirm it with “OK“.
In order to change, e.g. the unit, first select by
pressing key „>“ the field “Units” and then key
“OK”.
Select with the key „>“ the correct unit and then
confirm selection by pressing 2x „OK“.
Entering / changing the diameter
via button „>“, select the respective position and
activate the position with the "OK" button.
By pressing „>“ the position value is incremented
by 1. Complete with "OK" and activate next
number position.
Confirming entry by pressing „OK“.